TYPES OF QUADRILATERALS FUNDAMENTALS EXPLAINED

Isosceles trapezium (UK) or isosceles trapezoid (US): a single set of opposite sides are parallel and the base angles are equal in evaluate. Alternative definitions can be a quadrilateral having an axis of symmetry bisecting 1 set of reverse sides, or a trapezoid with diagonals of equal size.Inside of a convex quadrilateral with sides a, b, c and d